Olympiad Archives - Institute of Biology, Sri Lanka

Sri Lanka Wins two Bronze Medals and Merit at 37th International Biology Olympiad (IBO 2026) in Lithuania

Sri Lanka marked a historical milestone in international science education at the 37th Internationa...

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Sri Lankan Biology Olympiad 2026 – Deadline Extended

In response to requests from students and teachers, the SLBO 2026 application deadline has been exte...

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Results and Medal Winners – Sri Lankan Biology Olympiad 2025

Top 12 Gold Medal Winners Medal Winners with eligibility to participate in IBO 2026 Gold Medals ( Ma...

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Sri Lankan Biology Olympiad 2025 Syllabus – What to Study

The Sri Lankan Biology Olympiad 2025 examination is on Sunday 26 October 2025 from 09.00 am to 01...

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Sri Lankan Biology Olympiad 2025 (Deadline Extended)

Sri Lankan Biology Olympiad 2025 Syllabus – What to Study 2026 and 2025 G.C.E. A/L (Grade 12 a...

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Sri Lankan Biology Olympiad 2026 Syllabus – What to Study

The Sri Lankan Biology Olympiad 2026 examination is on Sunday 2nd August 2026 from 09.00 am to 01...

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Results and Medal Winners – Sri Lankan Biology Olympiad 2024

Top 12 Gold Medal Winners Medal Winners with eligibility to participate in IBO 2025 Gold Medals ( Ma...

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Sri Lankan Biology Olympiad 2024

Sri Lankan Biology Olympiad 2024 දේශීය (ජාතික) සහ ජාත්‍යන්�...

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Sri Lankan Team Participates in International Biology Olympiad 2024 in Kazakhstan

Four talented Sri Lankan Biology students represented our nation at the International Biology Olympi...

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Results and Medal Winners – Sri Lankan Biology Olympiad 2023

Top 11 Gold Medal Winners Medal Winners with eligibility to participate in IBO 2024 Gold Medals ( Ma...

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About the Olympiad

1 What is the Sri Lankan Biology Olympiad (SLBO)?

The Sri Lankan Biology Olympiad is a national competition organized by the Institute of Biology, Sri Lanka, designed to identify and nurture talented students in Biology. Winners will have the opportunity to represent Sri Lanka at the International Biology Olympiad.

2 When is the SLBO 2026 examination?

The examination will be held on Sunday, 2nd August 2026 as an online examination.

Eligibility

3 Who can apply?

Students studying for the 2026 or 2027 G.C.E. A/L examinations, both local and international, can apply.

4 Is there an age limit?

There is no age limit for the local competition. However, students selected for the International Biology Olympiad must be below 20 years of age on 30th June 2027.

5 Can private candidates apply?

Yes. Private candidates are fully eligible to apply.

6 Can repeat candidates apply?

Yes. Students sitting for A/L examinations for the second or third time are also eligible to apply.

Application & Payment

7 What is the application fee?

The application fee is Rs. 1,800.00. Please note that this fee is non-refundable.

8 How should I make the payment?

Payments should be made directly to the Institute of Biology bank account:

Account Name: Institute of Biology

Account Number: 086-1-001-4-1191763

Bank: Peoples Bank, Thimbirigasyaya Branch

9 What is the application deadline?

Applications should be submitted on or before 10th July 2026.

Examination Details

10 What is the format of the examination?

The examination is conducted online and consists of 50 MCQ and True/False questions.

11 What languages are available?

Students can sit for the examination in Sinhala, Tamil, or English medium.

12 What equipment do I need?

You will need a mobile device or laptop with internet access.

13 What subject areas are covered?

The examination covers the following topics:

Chemical and Cellular Basis of Life
Evolution and Diversity of Organisms
Functioning Plant
Functioning Animal
Genetics
Environment

14 Are Units 6–10 of the A/L syllabus included?

No. Questions from Units 6–10 of the local G.C.E. A/L syllabus will not be asked.

Awards & Opportunities

15 What awards are given?

Gold, Silver, and Bronze medals will be awarded based on performance. Certificates will also be awarded to high-performing students.

16 What international opportunities are available?

Four students will be selected to represent Sri Lanka at the 38th International Biology Olympiad (IBO), to be held in Warsaw, Poland, from July 18 to July 26, 2027.

Contact

17 Who can I contact for more information?

SLBO Coordinating Centre
Department of Forestry and Environmental Science
University of Sri Jayewardenepura, Nugegoda

Ms. Shanuja Elayan

071 882 8756

Mr. Charith Saranga

077 626 6971